A superflare is an exceptionally powerful electromagnetic emission from a star, releasing energy equivalent to a trillion ...

The core of a star reaches temperatures—energy levels, really—we don't see anywhere else outside fusion reactors. The visible ...

The reversal could actually have a beneficial effect on Earth. The sun is on the verge of a significant event: a magnetic field reversal. The sun undergoes such a reversal every 11 years ...

Mars shines brightly this week as it reaches opposition, appearing golden-red in the sky near Jupiter. Look for it in the ...

Graphic representation of the relative distances between the nearest stars and the Sun. Barnard’s ... [+] star is the second closest star system to the Sun, and the nearest single star to us.